Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “pipe dream”

See all translations

pipe dream

noun [C]  /ˈpɑɪp ˌdrim/ us  
an idea or plan that is not practical or possible: Many people still believe that traveling to Mars is just a pipe dream.
Translations of “pipe dream”
in Chinese (Traditional) 白日夢,幻想,妄想, 行不通的計劃…
in Chinese (Simplified) 白日梦,幻想,妄想, 行不通的计划…
(Definition of pipe dream from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of pipe dream?
Add Cambridge dictionaries to your browser to your website

Definitions of “pipe dream” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More